[1] Paul Singer was born into a family of small Jewish merchants based in Erlaa [de], a working-class suburb of Vienna.

Later, he studied economics at the University of São Paulo, at the same time that he developed political activity in the Brazilian Socialist Party.

Singer graduated in 1959, in the same year he participated in the founding of Polop, a political organization made up of members of the left wing of the PSB.

The thesis gave rise to the book Economic Development and Urban Evolution, under the guidance of Professor Florestan Fernandes.

[5] In 2011, working with the federal government as National Secretary for Solidarity Economy of the Ministry of Labor and Employment, Paul Singer presented his ideas on community banks.